Collective access when extending a file #2016
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Thanks @jedwards4b - I built with 06e7937 and my test code from #2015 passes now :) |
…IO into fix/netcdf4_var_par_access
anton-seaice
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Dec 17, 2025
The goal here is to enable multiple timesteps per history file when using PIO, to be consistent with the access-esm1.6 branch. In the access-esm1.6 branch, this [change](#59) was implemented only when using Netcdf for IO. Closes #58 1. This change relies on latest in ParallelIO (NCAR/ParallelIO#2016). (Updating ParallelIO is not answer changing - [build](ACCESS-NRI/ACCESS-OM2#125) and [repro](ACCESS-NRI/access-om2-configs#205 (comment)) ) 2. This changes the time variable to be in the middle of the averaging interval 3. error handling is added/modified on an as needed basis, rather than comprehensively 4. Output files follow the ocean convention now, e.g _iceh-1monthly-mean_1900.nc_
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netcdf4p needs a collective access flag set to extend the file.
Fixes #2015